90=10(2y+1)

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Solution for 90=10(2y+1) equation:


Simplifying
90 = 10(2y + 1)

Reorder the terms:
90 = 10(1 + 2y)
90 = (1 * 10 + 2y * 10)
90 = (10 + 20y)

Solving
90 = 10 + 20y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-20y' to each side of the equation.
90 + -20y = 10 + 20y + -20y

Combine like terms: 20y + -20y = 0
90 + -20y = 10 + 0
90 + -20y = 10

Add '-90' to each side of the equation.
90 + -90 + -20y = 10 + -90

Combine like terms: 90 + -90 = 0
0 + -20y = 10 + -90
-20y = 10 + -90

Combine like terms: 10 + -90 = -80
-20y = -80

Divide each side by '-20'.
y = 4

Simplifying
y = 4

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